Multi-Gas Detectors

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Rugged and reliable, the GasAlertQuattro four-gas detector combines a comprehensive range of features with simple one-button operation.
Features and Benefits

  • Compact and lightweight design makes it comfortable to wear
  • Simple one-button operation for ease of use
  • Compatible with MicroDock II
Quick Specs
  • Size: 5.1 x 3.2 x 1.9 in. / 13.0 x 8.1 x 4.7 cm
  • Temperature: -4 to +122°F / -20 to +50°C
  • Enhanced resistance to common industrial cross sensitive gases such as methanol and ethanol (CO and H2S sensors)
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Product Overview

With flexible power options, the GasAlertQuattro is always ready. The graphic LCD displays easy to identify icons that indicate operational information, such as bump test and calibration status for simplified onsite auditing. IntelliFlash provides continuous visual confirmation of detector operation and compliance. Suited to a wide range of industrial applications including confined space entry.

Additional GasAlertQuattro features:
• Interchangeable rechargeable battery pack or alkaline pack with 3 AA batteries
• Comprehensive datalogging and event logging capacity
• IntelliFlash verifies operation and compliance to user and supervisors from up to 20 ft. / 6.1 m
• Field-proven SureCell sensors offer an unprecedented performance in even the harshest environments.

Multi-gas detector for confined space entry – GasAlertQuattro - Honeywell Analytics

Popular Accessories

From power options to carrying cases, we have a multitude of accessory items to go with your monitor.

Deluxe Confined Space Kit


The deluxe confined space kit comes equipped with all the accessories you need to safely sample during confined space entry work, including manual aspirator kit, IR connectivity kit, calibration cap, 0.5 LPM regulator, sampling probe, carrying holster and auxiliary filter kit. Detector and gas sold separately.

Concussion-Proof Boot


The heavy duty concussion-proof boot slips easily and securely onto the detector for additional protection in extreme conditions. Equipped with a rugged stainless steel alligator clip, the external rubber boot also helps keep the detector clean.


MicroDock II - Base Station and GasAlertQuattro Docking Module with Charging Cable excluding DFR


Carrying Holster


Securely attach the GasAlertQuattro to your belt with the durable Carrying Holster.

IR Kit

IR Connectivity Kit


The IR connectivity kit easily connects through the charging and IR communications port for data downloads and access to instrument set-up options.

Frequently Asked Questions

Have a question about the product features or warranty? Find the answers here.
We do not sell our products directly on our website but we would be happy to assist you with your gas detection needs.  On each product page you will see a red button on the right-hand side titled “HOW TO BUY”.  If you click on this button a form will appear which will go directly to one of our sales representatives once completed and submitted.  

You can also call one of our sales representatives directly.  Click here to go to the Contact Us page.  

There are two areas where you can access technical documents.  First, you can visit our Technical Library in the Support section of the website.  Here you will be able to access our entire catalog of documents and videos for all products – current and legacy products.  

You can also access the technical documents for each product on that product’s respective page within the website.    

Yes we do.  Check out our HA University training section to see what programs are available and sign up for any that you are interested in.  These courses are very informative and led by our expert engineers.  If you have any questions about training opportunities for yourself or your staff and would like to talk to a Honeywell representative, click here.

Check out the Product Inquiry page in the Contact Us section.  Here you’ll find sales contacts for each of our product lines and they can help you with any questions you may have from technical specifications to ordering information. 

Check out the Service & Repairs page in the Contact Us section.  Here you’ll find the contact information for our service centers in your region. 

There are several ways you can search for products on our website:

  • Click on the Products link in the main navigation to search by product lines.
  • Find products for a specific Industry or Application by clicking on the links in the main navigation bar at the top of the page.
  • Use our Gas Finder if you’re looking for a product that can detect a specific type of gas.
  • If you still can’t find the product you’re looking for, type the name of the product in the search bar at the top of the page.

Because we do not sell our products directly we cannot quote a specific price on our website.  Contact a sales representative through either the “HOW TO BUY” button on the product page or by calling them and they will be able to obtain pricing from local distributors in your area. 

BW Technologies is part of the Honeywell Analytics family so in an effort to provide our customers with complete gas detection solutions we merged the and websites.  We hope that having all of our brands and products in one location will make it easier for you to find the right solution for your gas detection needs. 

Similar Products

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Portable Gas Detector - GasAlertMicroClip XL - Honeywell Analytics
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Applications: Combustible DetectionConfined SpacesLandfill Biogas GenerationOxygen DetectionPlanned Equipment ModificationsPower GenerationWeldingTurnarounds and Plant Shutdowns

Download the latest firmware, drivers and software packages

Keep your product up and running with the most recent updates.

Firmware V 4.000 

With the latest firmware for your instrument installed, you made sure that you have the highest level of protection, while the newest features and functions allow you to be more productive than ever before. 

Fleet Manager II 4.3.31 and IR Link Driver

Data storage and analysis has never been so simple. With the same look and feel as Fleet Manager, Fleet Manager II allows users to download information directly from BW Technologies by Honeywell instruments or the IntelliDox. With improved functionality, users can:

  • Automatically create accurate and user-friendly reports
  • Easily sort, format and graph data as well as view history
  • Archive and share data easily, including databases
  • Download and manage calibration and bump check records as well as datalogged information onto any PC